Experimental error performance of modulation schemes under a controlled laboratory turbulence FSO channel

Sujan Rajbhandari; Zabih Ghassemlooy; Paul Anthony Haigh; Thavamaran Kanesan; Xuan Tang

doi:10.1109/JLT.2014.2377155

Experimental error performance of modulation schemes under a controlled laboratory turbulence FSO channel

Sujan Rajbhandari, Zabih Ghassemlooy, Paul Anthony Haigh, Thavamaran Kanesan, Xuan Tang

Research output: Contribution to journal › Article (Academic Journal)

32 Citations (Scopus)

Abstract

This paper experimentally investigates the performance of different modulation schemes under the atmospheric turbulence conditions for free space optical communication links. The experiments were carried out in a dedicated and controlled indoor atmospheric chamber. The turbulence environment was created by introducing hot air, while the temperature profile was monitored throughout the chamber to maintain a constant environment. By evaluating the error performance of different modulation schemes under identical conditions, it was observed that pulse position modulation offers the best performance, followed by subcarrier intensity modulation under weak turbulence environments.

Original language	English
Article number	6980097
Pages (from-to)	244-250
Number of pages	7
Journal	Journal of Lightwave Technology
Volume	33
Issue number	1
DOIs	https://doi.org/10.1109/JLT.2014.2377155
Publication status	Published - 1 Jan 2015

Keywords

bit error rate
Free space optics
modulation schemes
turbulence

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10.1109/JLT.2014.2377155

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